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Finding the Fourth Proportional to 3,803,612.22, 5,703,612.21 and 2,206,664.82

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Solution

The fourth proportional to 3,803,612.22, 5,703,612.21 and 2,206,664.82 is: 3,308,949.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803,612.22 : 5,703,612.21 = 2,206,664.82 : x
  2. Step 2: Convert to fraction form
    3,803,612.22/5,703,612.21 = 2,206,664.82/x
  3. Step 3: Cross multiply
    3,803,612.22x = 5,703,612.21 × 2,206,664.82
  4. Step 4: Simplify right side
    3,803,612.22x = 12,585,960,410,729.45
  5. Step 5: Solve for x
    x = 12,585,960,410,729.45/3,803,612.22
  6. Step 6: Final answer
    x = 3,308,949.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.